The Collaborative International Dictionary
Posseting
Posset \Pos"set\, v. t. [imp. & p. p. Posseted; p. pr. & vb. n. Posseting.]
To curdle; to turn, as milk; to coagulate; as, to posset the blood. [Obs.]
--Shak.To treat with possets; to pamper. [R.] ``She was cosseted and posseted.''
--O. W. Holmes.
Wiktionary
posseting
alt. The regurgitation of milk after feeding, in newborn babies. n. The regurgitation of milk after feeding, in newborn babies. vb. (present participle of posset English)